Temporary closure of Customer Service phone lines from noon to 2:00 p.m.
Please note that Customer Service phone lines (1-800-268-4522, option 1) will be temporarily closed today, May 7, 2024, from noon to 2:00 p.m. ET. If you need to reach Customer Service during this period, please connect to our Support Platform and create a web ticket by selecting Billing & Accounts, Orders & Returns, or Interested in a Product or Service. Customer Service will resume handling telephone calls at 2:00 p.m. ET. Thank you for your cooperation.

Prioritisation of web tickets and live chats with a support agent
Web tickets and live chats are given priority over the phone calls. For a faster service, connect to our Support Platform to create a web ticket through our virtual assistant who will either offer you to submit your case or to chat live with an agent.

Most Consulted Articles in the Knowledge Base (as of May 7, 2024)

1. Where can I find the Release Notes for the CCH iFirm Taxprep Programs?
2. How do I prepare an amended federal T1 return to transmit it electronically (EFILE)?
3. EFILE ERROR 110-B: T1 return is rejected with error code 110-B for newcomers
4. I get the R2000051 diagnostic regarding a change of address in a T2 return.
5. How can I download old version of Cantax or Taxprep or Aliform programs?
6. How do I update my support case on the ''support.cch.com/oss/canada'' Support Platform?
7. CPP Calculation on self-employed income with election to stop contributing to the CPP
8. When trying to login to CCH iFirm I get a message that it is down for maintenance
9. I get the message "You do not have access to this service" when Efiling with Taxprep